Spaceflightpedia

Cosmonaut / Astronaut

Alexei Leonov

oviet cosmonaut who on 18 March 1965 became the first human to step out of a spacecraft into open space. A decade later he commanded the Soviet side of the joint Apollo–Soyuz mission.
Portrait of cosmonaut Alexei Leonov.
Spaceflights
2
Time in space
≈ 10 days

Biography

A military pilot selected for the first cosmonaut corps. He was also a gifted painter, later capturing his experiences of space in numerous works. In 1975 he commanded Soyuz 19 during the historic docking with the American Apollo.

Missions

Spaceflights

Timeline

Career at a glance

  1. 1965Voskhod 218 March 1965
  2. 1975Apollo–Soyuz15 July 1975

Facts

Things you may not know

  1. He was the first human in history to walk in open space — for 12 minutes and 9 seconds.

  2. His spacesuit ballooned in the vacuum so much that he could not get back inside — he had to bleed off its pressure.

  3. In 1975 he commanded the Soviet spacecraft on the first joint Apollo–Soyuz flight.

Crews

Flew together

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